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Finding the Fourth Proportional to 672,825.96, 928,492.47 and 366,901.38

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Solution

The fourth proportional to 672,825.96, 928,492.47 and 366,901.38 is: 506,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,825.96 : 928,492.47 = 366,901.38 : x
  2. Step 2: Convert to fraction form
    672,825.96/928,492.47 = 366,901.38/x
  3. Step 3: Cross multiply
    672,825.96x = 928,492.47 × 366,901.38
  4. Step 4: Simplify right side
    672,825.96x = 340,665,168,562.61
  5. Step 5: Solve for x
    x = 340,665,168,562.61/672,825.96
  6. Step 6: Final answer
    x = 506,319.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.